进程1：由进程ID获取进程名字

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#define SVP_RCHMI_PROCESS_NAME          "rc_hmi"
static pid_t process_pid = 1000；
int main()
{
    FILE *fp_handle;
    SVPChar buf[128] = {'\0'};
    SVPChar cmd[128] = {'\0'};
    SVPChar dest_path[128] = {'\0'};
    SVPChar cur_task_name[128] = {'\0'};

    sprintf(dest_path, "/proc/%d/status", process_pid);
    fp_handle= fopen(dest_path, "r");
    if(NULL != fp_handle)
    {
        if( fgets(buf, 128, fp_handle)== NULL )
        {
            fclose(fp_handle);
            Hmi_Service_Flag = 0;
        }
        fclose(fp_handle);
        sscanf(buf, "%*s %s", cur_task_name);
        if (strcmp(SVP_RCHMI_PROCESS_NAME, cur_task_name) == 0){
            Hmi_Service_Flag = 1;
        }
        else{
            Hmi_Service_Flag = 0;
        }
    }
    else
    {
        Hmi_Service_Flag = 0;
    }
    return 0;
}